Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The average high-temperature is an agreeable 69.4°F (20.8°C) in April, hardly different from the 66.7°F (19.3°C) recorded in March. In April, Santa Monica reports a consistent average low-temperature of 53.6°F (12°C) during the nights.Humidity
In Santa Monica, the average relative humidity in April is 61%.Rainfall
In Santa Monica, California, in April, it is raining for 4.6 days, with typically 0.43" (11mm) of accumulated precipitation. In Santa Monica, during the entire year, the rain falls for 48.8 days and collects up to 7.52" (191mm) of precipitation.Ocean temperature
The months with the coldest seawater are January through May and December, with an average ocean temperature of 59°F (15°C).Note: Most people do not enjoy swimming in water of 59°F (15°C). Breathing control becomes harder as the temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
In April, the average length of the day is 13h and 4min.On the first day of April, sunrise is at 6:39 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:37 pm PDT.
Sunshine
In April, the average sunshine is 10.9h.UV index
In Santa Monica, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during April leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How much does it rain in April?
When is the ocean coldest?
What is the ocean temperature in April?
How many hours of daylight does Santa Monica have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Santa Monica have in April?
What is the UV index intensity in April?
Average temperature in April
Santa Monica, CA
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in April: 53.6°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in April
Santa Monica, CA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in April
Santa Monica, CA
- Average wind speed in April: 6.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).
Average humidity in April
Santa Monica, CA
- Average humidity in April: 61%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (52%).
Average rainfall in April
Santa Monica, CA
- Average rainfall in April: 0.43"
The wettest month (with the highest rainfall) is January (1.54").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in April
Santa Monica, CA
- Average rainfall days in April: 4.6 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.8 days).
Average sea temperature in April
Santa Monica, CA
- Average sea temperature in April: 59°F
The best months for swimming (with the highest average sea temperature) are August, September and October (66°F).
The coldest months (with the lowest average sea temperature) are January, February, March, April, May and December (59°F).
Average daylight in April /
Average sunshine in April
Santa Monica, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
Average sunshine days in April
Santa Monica, CA
- Average sunshine days in April: 25 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in April
Santa Monica, CA
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in April
Santa Monica, CA
- Average cloud cover in April: 20
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in April
Santa Monica, CA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Santa Monica, California, USA
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